AU2001258319A1 - A process for bleaching a lignocellulosic pulp - Google Patents

A process for bleaching a lignocellulosic pulp

Info

Publication number
AU2001258319A1
AU2001258319A1 AU2001258319A AU5831901A AU2001258319A1 AU 2001258319 A1 AU2001258319 A1 AU 2001258319A1 AU 2001258319 A AU2001258319 A AU 2001258319A AU 5831901 A AU5831901 A AU 5831901A AU 2001258319 A1 AU2001258319 A1 AU 2001258319A1
Authority
AU
Australia
Prior art keywords
bleaching
lignocellulosic pulp
lignocellulosic
pulp
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU2001258319A
Inventor
Malena Rennel
Krister Sjoblom
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AGA AB
Original Assignee
AGA AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by AGA AB filed Critical AGA AB
Publication of AU2001258319A1 publication Critical patent/AU2001258319A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
AU2001258319A 2000-04-05 2001-04-04 A process for bleaching a lignocellulosic pulp Abandoned AU2001258319A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI20000806A FI20000806A (en) 2000-04-05 2000-04-05 Method for bleaching lignocellulosic pulp
FI20000806 2000-04-05
PCT/EP2001/004067 WO2001075221A1 (en) 2000-04-05 2001-04-04 A process for bleaching a lignocellulosic pulp

Publications (1)

Publication Number Publication Date
AU2001258319A1 true AU2001258319A1 (en) 2001-10-15

Family

ID=8558130

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001258319A Abandoned AU2001258319A1 (en) 2000-04-05 2001-04-04 A process for bleaching a lignocellulosic pulp

Country Status (6)

Country Link
US (1) US20030155086A1 (en)
EP (1) EP1272706A1 (en)
AU (1) AU2001258319A1 (en)
CA (1) CA2404691A1 (en)
FI (1) FI20000806A (en)
WO (1) WO2001075221A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7056419B2 (en) 2002-09-30 2006-06-06 American Air Liquide, Inc. Methods for modifying electrical properties of papermaking compositions using carbon dioxide
BRPI0708794B1 (en) * 2006-03-13 2016-10-11 Fp Innovations process for delignification of a lignocellulosic pulp in an aqueous suspension
US8920603B2 (en) * 2006-10-11 2014-12-30 Akzo Nobel N.V. Bleaching of pulp
CA2821954C (en) * 2010-12-22 2019-02-26 Akzo Nobel Chemicals International B.V. Process for improving chlorine dioxide bleaching of pulp

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB815247A (en) * 1955-07-19 1959-06-24 Columbia Cellulose Company Ltd Bleaching woob pulps
AU1175188A (en) * 1987-02-27 1988-09-01 Boc Group, Inc., The Use of gaseous carbon dioxide to adjust ph of cellulosic pulp
US5139613A (en) * 1988-01-21 1992-08-18 Canadian Liquid Air Limited Process for preparing a paper pulp using carbon dioxide as an acidifying agent for a bleached pulp
CA2069713C (en) * 1992-05-27 2003-05-13 Derek Hornsey Carbon dioxide in neutral and alkaline sizing processes
FI102911B1 (en) * 1997-06-13 1999-03-15 Aga Ab A method for stabilizing the pH of a pulp suspension and producing paper from the stabilized pulp
JPH1181173A (en) * 1997-09-01 1999-03-26 Oji Paper Co Ltd Production of bleached pulp
FI991241A (en) * 1999-06-01 2000-12-02 Aga Ab Bleaching of lignin and process for making paper

Also Published As

Publication number Publication date
EP1272706A1 (en) 2003-01-08
WO2001075221A1 (en) 2001-10-11
US20030155086A1 (en) 2003-08-21
FI20000806A0 (en) 2000-04-05
FI20000806A (en) 2001-10-06
CA2404691A1 (en) 2001-10-11

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